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Based on our record, OCR.Space Free OCR API seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
We scan everything with ocr functionallity by an office all-in one printer by canon. So a big portion of the files will be searchable anyways. The rest of the files can be uploaded to https://ocr.space/ocrapi. To extract the text in a filemaker textfield I use the MBS Plugin which is highly recommended anyway with the following call: MBS( "PDFKit.GetPDFText"; MEDIEN::Container_m ). Source: about 3 years ago
Are you okay with paying for APIs? If so fair enough: https://ocr.space/ocrapi or browse https://rapidapi.com/marketplace for a good OCR API. As far as I know the only way to do it within python is with tesseract, which you could look into. Here's a resource on dealing with the PDF part. Source: over 4 years ago
i2OCR - i2OCR is a free online Optical Character Recognition (OCR) that extracts text from images so that it can be edited, formatted, indexed, searched, or translated.
Qoppa PDF Studio - Create, Review and Edit PDF Documents on Windows, Mac, and Linux.
FlexiCapture - ABBYY FlexiCapture brings together the best NLP, machine learning, and advanced recognition capabilities into a single, enterprise-scale platform to handle every type of document. Available in the Cloud, on premise or as SDK.
PDF OCR X - PDF OCR X is a simple drag-and-drop utility for Mac OS X and Windows that converts your PDFs and photos into textual content files or editable PDF documents.
NewOCR.com - NewOCR.com is a free online OCR (Optical Character Recognition) service. NewOCR.
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files